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Other aircraft modifications

STC SE02051AK

FAA DRS lists SE02051AK as Current · Reissued, held by Custom Aircraft Inc, for Textron Lycoming AVCO O-540-J3A5D, Textron Lycoming AVCO O-540-J1A5D, and Textron Lycoming AVCO O-540-J3C5D. Recorded change: Grind nitrided high compression cylinder barrels to plus 0.010 overside and install P10 piston, P10 compression rings, and P10 oil rings. Snapshot dated June 30, 2026.

FAA-listed holder
Custom Aircraft Inc
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SE02051AK identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Textron Lycoming AVCO O-540-J3A5D, Textron Lycoming AVCO O-540-J1A5D, and Textron Lycoming AVCO O-540-J3C5D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Lycoming AVCO O-540-J3A5DE-295
Textron Lycoming AVCO O-540-J1A5DE-295
Textron Lycoming AVCO O-540-J3C5DE-295

Buyer checks

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